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143387087 is a prime number
BaseRepresentation
bin10001000101111…
…10100111001111
3100222210211002212
420202332213033
5243201341322
622121141035
73360525104
oct1042764717
9328724085
10143387087
1173a35928
124002a77b
1323924c3c
1415086aab
15c8c50e2
hex88be9cf

143387087 has 2 divisors, whose sum is σ = 143387088. Its totient is φ = 143387086.

The previous prime is 143387081. The next prime is 143387089. The reversal of 143387087 is 780783341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143387087 - 212 = 143382991 is a prime.

Together with 143387089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143387081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71693543 + 71693544.

It is an arithmetic number, because the mean of its divisors is an integer number (71693544).

Almost surely, 2143387087 is an apocalyptic number.

143387087 is a deficient number, since it is larger than the sum of its proper divisors (1).

143387087 is an equidigital number, since it uses as much as digits as its factorization.

143387087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 143387087 is about 11974.4347256979. The cubic root of 143387087 is about 523.4035701188.

The spelling of 143387087 in words is "one hundred forty-three million, three hundred eighty-seven thousand, eighty-seven".